Gets the number of fields or columns that were returned by the last SQL statement.
The handle to the SQL connection, returned from the SQLConnect() function. The SQL connection handle identifies the table where details of the associated SQL connection are stored.
The number of fields. A value of 0 is returned if no fields were returned or if an error has been detected. (For details of an error, call the SQLErrMsg function).
SQLBeginTran, SQLCommit, SQLConnect, SQLDisconnect, SQLEnd, SQLErrMsg, SQLExec, SQLFieldInfo, SQLGetField, SQLInfo, SQLNext, SQLNumChange, SQLRollBack, SQLTraceOff, SQLTraceOn